Maximum in For Loop

Question

m13 2016-10-30

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/309864-maximum-in-for-loop

回答： Image Analyst 2016-10-30

I need to find the maximum value of the last equation in my for loop as well as the iterative value. How would I do this? For example I need to find the maximum value of z and for what value of x.

for x = 0:10
  y = 3*x;
  z = sqrt(y/2);
end

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Answer 1

Image Analyst 2016-10-30

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/309864-maximum-in-for-loop#answer_241324

在 MATLAB Online 中打开

Try this:

zMax = -inf;
xAtZMax = 0;
for x = 0:10
  y = 3*x;
  z = sqrt(y/2);
  if z > zMax
    % New max found.
    zMax = z;
    xAtZMax = x;
  end  
end
fprintf('The max z is %f that occurs at x = %d\n', zMax, xAtZMax);